Introduction
The SIPROTEC 4 device 7VK61 is introduced in this chapter. The device is presented in its application, charac-
teristics, and functional scope.
1.1 Overall Operation 18
1.2 Application Scope 20
1.3 Characteristics 22
1
SIPROTEC 4, 7VK61, Manual 17
C53000-G1176-C159-5, Edition 05.2018
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